<oerjan> le/rn speedy gonzales/Sp e e d y G o n z a l e s i s t h e f a s t e s t m o

#!/bin/bash
topic=$(echo "$1" | lowercase | sed 's/^\(an\?\|the\) //;s/s\?[:;,.!?]\? .*//')
[ -e "wisdom/$topic" ] && verb="Relearned" || verb="Learned"
echo "$1" >"wisdom/$topic"
echo "$verb '$topic': $1"